Early indications suggest Russian anti-aircraft system may have downed a passenger jet in Kazakhstan, confusing it for a drone. Investigations are ongoing to determine the cause of the crash.

Russia's aviation watchdog said on Thursday all four Moscow airports had resumed work after the lifting of temporary restrictions that were introduced to ensure the safety of civil aircraft flights.

Matt Borie, chief intelligence officer for aviation security firm Osprey Flight Solutions, joins NewsNation's "Elizabeth Vargas Reports" to discuss early indications from U.S. officials that a Russian anti-aircraft system downed an Azerbaijan Airlines ...

Russia's head of aviation Dmitry Yadrov claimed a Ukrainian drone attack was underway in Grozny before the plane crashed.

Officials in Russia and Kazakhstan are urging people to wait for an investigation into the deadly Azerbaijan Airlines plane crash before assigning blame.

Experts say evidence in the Azerbaijan Airlines plane crash in Kazakhstan points to a possible midair explosion, not an encounter with a flock of birds.

Azerbaijan Airlines and other carriers have suspended flights to several destinations in Russia after it emerged that Russian air defenses may have caused the crash of one of the Azeri carrier's Embraer 190s on Dec. 25.

Russia’s aviation chief says that a Ukrainian drone attack was underway in the Russian region that an airliner was destined for before it diverted and crashed earlier this week.

Recently, an Embraer 190 Azerbaijan Airlines aircraft en route from Baku to Grozny crashed in Kazakhstan, allegedly shot down by Russian air defense systems. Onboard were 62 passengers and 5 crew members,

President Vladimir Putin on Saturday apologised to Azerbaijan's leader for what the Kremlin called a "tragic incident" over Russia in which an Azerbaijan Airlines plane crashed after Russian air defences were fired against Ukrainian drones.

All four Moscow airports reopened after a brief time, including an additional airport in Kaluga which reopened later this afternoon - as of yet no reason has been given